Imagick::reduceNoiseImage
(PECL imagick 2, PECL imagick 3)
Smooths the contours of an image
Function-3-4-4
Description
Imagick::reduceNoiseImage(float $radius): bool
Smooths the contours of an image while still preserving edge information. The algorithm works by replacing each pixel with its neighbor closest in value. A neighbor is defined by radius. Use a radius of 0 and Imagick::reduceNoiseImage() selects a suitable radius for you.
Parameters
radius
Return Values
Success
Errors/Exceptions
Throws
Examples
php
<?php
function reduceNoiseImage($imagePath, $reduceNoise) {
$imagick = new \Imagick(realpath($imagePath));
@$imagick->reduceNoiseImage($reduceNoise);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>